[document-base-url.html]
  type: testharness
  [The fallback base URL of a document whose address is about:blank is the document base URL of the creator document.]
    expected: FAIL

  [The fallback base URL of an iframe srcdoc document is the document base URL of the document's browsing context's browsing context container's document.]
    expected: FAIL

  [about:blank with a base element.]
    expected: FAIL

  [The base URL of an iframe srcdoc document with a <base> tag should be set by that tag.]
    expected: FAIL